Univariable associations between presentinel injury sociodemographic and health characteristics and work-related subsequent injury
| Variable | No subsequent workrelated injury (n=407) | Subsequent workrelated injury* (n=243) | RR (95% CI) | P value |
| n (%) | N (%) | |||
| Age (years) | ||||
| 1829 | 67 (17) | 45 (19) | 1.16 (0.88 to 1.52) | |
| 3049 | 205 (50) | 109 (45) | Ref | |
| 5064 | 135 (33) | 89 (37) | 1.14 (0.92 to 1.43) | 0.4 |
| Sex | ||||
| Male | 286 (70) | 192 (79) | Ref | |
| Female | 121 (30) | 51 (21) | 0.74 (0.57 to 0.95) | 0.02 |
| Ethnicity | ||||
| Sole New Zealand European | 234 (58) | 129 (53) | Ref | |
| Māori | 80 (20) | 41 (17) | 0.95 (0.72 to 1.27) | |
| Pacific | 21 (5) | 21 (9) | 1.41 (1.01 to 1.96) | |
| Other | 70 (17) | 52 (21) | 1.20 (0.94 to 1.54) | 0.11 |
| Highest educational qualification | ||||
| Postsecondary school | 219 (54) | 138 (57) | Ref | |
| Secondary school | 105 (26) | 54 (22) | 0.88 (0.68 to 1.13) | |
| No qualifications | 78 (19) | 45 (19) | 0.95 (0.72 to 1.24) | 0.6 |
| Household income | ||||
| Adequate | 369 (91) | 204 (84) | Ref | |
| Not adequate | 35 (9) | 35 (14) | 1.40 (1.08 to 1.82) | 0.01 |
| Chronic conditions | ||||
| 0 | 194 (48) | 109 (45) | Ref | |
| 1 | 116 (29) | 73 (30) | 1.07 (0.85 to 1.36) | |
| ≥2 | 86 (21) | 52 (21) | 1.05 (0.81 to 1.36) | 0.83 |
*At least one work-related subsequent injury claim in the 24 months of follow-up.